<template>
    <div class="app-container">
        <!--顶部区域-->
        <mt-header fixed title="【Vue商城】">
            <mt-button icon="back" slot="left" @click="back" v-show="flag">返回</mt-button>
        </mt-header>
        <!--中间路由区域-->
        <transition>
            <router-view></router-view>
        </transition>

        <nav class="mui-bar mui-bar-tab">
            <router-link class="mui-tab-item-grey" to="/home">
                <span class="mui-icon mui-icon-home"></span>
                <span class="mui-tab-label">首页</span>
            </router-link>
            <router-link class="mui-tab-item-grey" to="/member">
                <span class="mui-icon mui-icon-contact"></span>
                <span class="mui-tab-label">会员</span>
            </router-link>
            <router-link class="mui-tab-item-grey" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart">
					<span class="mui-badge" id="badge">{{$store.getters.getCarCount}}</span>
				</span>
                <span class="mui-tab-label">购物车</span>
            </router-link>
            <router-link class="mui-tab-item-grey" to="/search">
                <span class="mui-icon mui-icon-search"></span>
                <span class="mui-tab-label">搜索</span>
            </router-link>
        </nav>

    </div>
</template>

<script>

export default {
    data(){
        return {
            flag:false,
        }
    },
    methods:{
        back(){
            this.$router.go(-1);
        }
    },
    created(){
        this.flag=this.$route.path==='/home'? false :true
    },
    watch:{
        '$route.path':function (newVal) {
            if(newVal==='/home'){
                this.flag=false
            }else {this.flag=true}
        }
    }

}

</script>


<style lang="scss" scoped>
    .app-container {
        padding-top: 40px;
        padding-bottom: 50px;
        /*overflow:auto;*/
        overflow-x: hidden;
        /*overflow-y:scroll;*/
        .mint-header{
            z-index: 1000;
        }
    }
    nav{
        /*border:1px solid transparent*/
    }
    /*设置动画样式*/
    .v-enter {
        opacity: 0;
        transform: translateX(100%);
    }
    .v-leave-to{
        opacity: 0;
        transform: translateX(-100%);
        position: absolute;
    }
    .v-enter-active, .v-leave-active {

        transition: all 0.5s ease;
    }
    // 该类名，解决 tabbar 点击无法切换的问题
    .mui-bar-tab .mui-tab-item-grey.mui-active {
        color: #007aff;
    }

    .mui-bar-tab .mui-tab-item-grey {
        display: table-cell;
        overflow: hidden;
        width: 1%;
        height: 50px;
        text-align: center;
        vertical-align: middle;
        white-space: nowrap;
        text-overflow: ellipsis;
        color: #929292;
    }

    .mui-bar-tab .mui-tab-item-grey .mui-icon {
        top: 3px;
        width: 24px;
        height: 24px;
        padding-top: 0;
        padding-bottom: 0;
    }

    .mui-bar-tab .mui-tab-item-grey .mui-icon~.mui-tab-label {
        font-size: 11px;
        display: block;
        overflow: hidden;
        text-overflow: ellipsis;
    }
</style>
